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  • gwincgwinc
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  • !142

Add test mass susceptibility to the coating Brownian amplitude calculation with unit tests for non-default calculations

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Open Kevin Kuns requested to merge kevin.kuns/pygwinc:ctn-test-susceptibility into master Oct 29, 2021
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  • Adds a tst_suscept option to coating_brownian for amplitude noise calculations so that the test mass susceptibility can be used as it is in the quantum and residual gas calculations.
  • Since this noise is not computed by default and therefore not tested by our current tests with the canonical ifos, unit tests are added to test this calculation in particular.
  • Some unit tests are also added for other noises that are not tested by the canonical ifos.

The following plot compares the coating Brownian calculation for A+ without amplitude noise (the current default) and with amplitude noise using the free mass and suspension susceptibilities. It's about a 3% effect for A+ at 10 Hz and becomes visibly noticeable around 4 Hz. Since it's not a slow calculation, I'm tempted to just include it by default.

coating_brownian

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Source branch: ctn-test-susceptibility